Page 32 - Parker - Proportional Valves

Catalog HY15-3502/US Proportional Flow Regulator Valve
Technical Information Series HP02C 21

CV
General Description
2 Way, Normally Closed, Proportional Flow Regulator
Valve. Partially Pressure Compensated. For additional
Check
Valves
SH information see Technical Tips on pages PV1-PV6.
Features
• Analog Proportional Partially Pressure Compensated
Flow Regulator regulates flow proportionally to the input
Shuttle
Valves
LM solenoid current.
• A low cost valve designed to be used in applications
where fine pressure compensation is not required.
• One piece cartridge housing ensures internal (2)
Load/Motor
Controls
concentricity
FC (1)
• Coil: Waterproof, hermetically sealed, requires no
O’Rings; Symmetrical coil can be reversed without (1)
affecting performance.
• Nonmagnetic spool and housing assembly (2)
Flow
Controls
PC • Factory-adjusted low variation option (Model “L”) is
available for applications where low variation of flow from
valve to valve is essential at a given current or when an
external pressure compensator is used.
Controls
Pressure
LE Performance Curves
Specifications
PWM Current Regulator Recommended
Rated Flow @ Standard (‘SS’ Coil) Flow vs. Input Current
210 Bar (3000 PSI) 2 to 1 13.3 LPM (3.5 GPM)
GPM LPM Hydraulic Oil 150 SSU @ 100°F (32 cSt)
Logic
Elements
1 to 2 9.5 LPM (2.5 GPM) 6 22.8
DC
High Flow (‘SP’ Coil)
2 to 1 22.8 LPM (6.0 GPM) 2 to 1 ('SP' Coil)
1 to 2 15.0 LPM (4.0 GPM)
4 15.2
Preferable Input Port 1 1 to 2 ('SP' Coil)
Directional
Controls
MV Port For Best Flow
Hysteresis
Hysteresis @ <10% 2 7.6
100 Hz PWM
2 to 1 ('SS' Coil)
Manual
Valves
SV Cracking Pressure 25% of Input Current 1 to 2 ('SS' Coil)
0
Variation of Flow Standard Model 20 40 60 80 100
0
@ 35% of Rated Up To ±20% Of Rated Flow
Current & Constant Model “L” Input Current (%)
∆ ∆ ∆ ∆ ∆P Maintained By ±7% Of Rated Flow
Solenoid
Valves
PV Pressure Flow Regulation (Measured at 75% of Rated Current)
Compensator GPM LPM Hydraulic Oil 150 SSU @ 100°F (32 cSt)
8 30.4
Cartridge Material All parts steel. All operating
parts hardened steel.
Proportional
2 to 1 ('SP' Coil)
Valves
6 22.8
CE Operating Temp. -40°C to +93.3°C (Nitrile)
Range/Seals (-40°F to +200°F)
-31.7°C to +121.1°C (Fluorocarbon) 1 to 2 ('SP' Coil)
(-25°F to +250°F) Flow 4 15.2 2 to 1 ('SS' Coil)
Coils &
Electronics
Fluid Mineral-based or synthetic with
BC Compatibility/ lubricating properties at viscosities 1 to 2 ('SS' Coil)
2 7.6
Viscosity of 45 to 2000 SSU (6 to 420 cSt)
Filtration ISO Code 16/13,
0
SAE Class 4 or better
Bar 35 70 105 140 175 210
Bodies &
Cavities
0
TD Approx. Weight .08 kg (.17 lbs.) PSI 500 1000 1500 2000 2500 3000
Pressure
Cavity 2X
(See BC Section for more details)
Technical
Data
PV31 Parker Hannifin Corporation
Hydraulic Cartridge Systems